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What if I can't find an example of where a theory could be applied in the exam texts?

Before analysing a text, it's always a good idea to look at the contextual information that you have been given and come up with some theories which are likely to be relevant (e.g. if it's a transcript, G...

EH
2776 Views

If f(x)= ( ((x^2) +4)(x-3))/2x find f'(x)

Tackle differentiation questions in two parts: First put it into the simplest for possible for differenciation, then perform the differenciation. 

So for this equation you should first expand the t...

AB
Answered by Alex B. Maths tutor
3908 Views

For the following reaction, you obtained 7.2 g of sodium sulfate, starting from 10 g of sulfuric acid. Sodium hydroxide is in excess. What is the % yield? H2SO4 + 2NaOH → Na2SO4 + 2H2O

  1. Identify the limiting reagent: you have been told sodium hydroxide is in excess, so you know sulfuric acid is the limiting reagent

  2. Calculate the moles of the limiting reagent: ...

RB
Answered by Rachel B. Chemistry tutor
3481 Views

Crude oil is a fossil fuel - what is a fossil fuel and how is crude oil separated into its fractions?

A fossil fuel is a substance like coal, oil, or natural gas formed from decayed plant or animal remains which can be burned to produce energy and power. Crude oil is separated by fractional distillation -...

ES
Answered by Ella S. Chemistry tutor
3912 Views

How do I answer a problem question on negligence?

Firstly, the issues in the problem question should be identified and highlighted. It helps to seperate the issues into claims, for example X v X.

Secondly, each aspect of a negligence claim should ...

JM
Answered by Jonathon M. Law tutor
19463 Views

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